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Finding the Fourth Proportional to 57,010.60, 85,386.30 and 36,015.40

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Solution

The fourth proportional to 57,010.60, 85,386.30 and 36,015.40 is: 53,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.60 : 85,386.30 = 36,015.40 : x
  2. Step 2: Convert to fraction form
    57,010.60/85,386.30 = 36,015.40/x
  3. Step 3: Cross multiply
    57,010.60x = 85,386.30 × 36,015.40
  4. Step 4: Simplify right side
    57,010.60x = 3,075,221,749.02
  5. Step 5: Solve for x
    x = 3,075,221,749.02/57,010.60
  6. Step 6: Final answer
    x = 53,941.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.